Between which of the following surfaces with the force of friction be smallest

25pts the diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

Due in 40 explain in terms of frame of reference if you’re inside a moving train everything on the outside can seem to be moving

Which insurance would contradict the big bang theory